Where: Jilin Provence, China (42.1° N, 126.7° E: paleocoordinates 3.4° N, 139.2° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Cordylodus proavus conodont zone, Niuchehean (489.5 - 485.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified limestone
Size classes: macrofossils, mesofossils
Collection methods: Trilobites and Conodonts only, Collected in the Xiaoyangqiao lower section, collection 9E(1-2), 22.5m from the base of the formation
Primary reference: J.-W. Chen, Y.-Y. Qian, J.-M. Zhang, Y.-K. Lin, L.-M. Yin, Z.-H. Wang, Z.-Z. Wang, J.-D. Yang, and Y.-X. Wang. 1988. The recommended Cambrian - Ordovician global Boundry stratotype of the Xiaoyangqiao section (Dayangcha, Jilin Province), China. In W. B. Harland, C. P. Hughes, R. S. J. Sparks, N. H. Woodcock, I. N. McCave (eds.), Geological Magazine 125(4):415-444 [M. Hopkins/S. Mahmood/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 156921: authorized by Melanie Hopkins, entered by Shaun Mahmood on 02.06.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Cordylodus proavus Müller 1959 conodont | |
Teridontus nakamurai Nogami 1967 conodont | |
Trilobita | |
Platypeltoides hunjiangensis trilobite
Platypeltoides laevigata trilobite | |
Richardsonella lilia trilobite | |
"Akoldinioidia convexalimbata" = Koldinioidia, "Akoldinioidia expansa" = Koldinioidia
"Akoldinioidia convexalimbata" = Koldinioidia trilobite
"Akoldinioidia expansa" = Koldinioidia trilobite | |
Artiopoda | |